package com.athuawei.juc;


import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

public class CyclicBarrierDemo {

    // 创建固定值
    private static final int NUMBER = 7;

    public static void main(String[] args) {
        // 创建CyclicBarrier
        CyclicBarrier cyclicBarrier = new CyclicBarrier(NUMBER, ()->{
            System.out.println("集奇7颗龙珠就可以召唤神龙");
        });

        // 集齐7颗龙珠的过程
        for(int i = 1; i <= 7; i++){
            new Thread(()->{
                try {
                    System.out.println(Thread.currentThread().getName() +
                            " 星龙珠收集到了.....");
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            }, String.valueOf(i)).start();

        }
    }
}
